CN206652899U

CN206652899U - A kind of three station drum type horn mouth pier nose devices of pipe fitting

Info

Publication number: CN206652899U
Application number: CN201720270427.2U
Authority: CN
Inventors: 孙成雷
Original assignee: Shanghai Xinfu Automotive Technology Co Ltd
Current assignee: Shanghai Xinfu Automotive Technology Co Ltd
Priority date: 2017-03-20
Filing date: 2017-03-20
Publication date: 2017-11-21
Anticipated expiration: 2027-03-20

Abstract

The utility model discloses a kind of pipe fitting with three station drum type horn mouth pier nose devices, belongs to pipeline pier nose processing technology field, the installation pedestal and clamping seat for specifically including support and being oppositely arranged；Also include the first frock, the second frock and the 3rd frock, the first frock, the second frock and the 3rd frock are juxtaposed on frock connection end up and down；Also include to clamp the clamping of pipe fitting；Above technical scheme, plus unique double core designs, implements synchronous constraint by three station molding modes to outside in pipe fitting end；Core confinement tube part end is unlikely to constantly to shrink under the extruding of horn mouth appearance die cavity in increase in the first stage；Pipe fitting end is quantitatively extruded in second stage so that annular drum type bulge-structure size under the die cavity constraint that dimorphism core forms is consistent；Core quantitatively extends out pipe fitting end within the phase III, while the generation of pipe fitting horn mouth crack conditions is effectively prevented under the constraint of outside core, and the design more than is so that product qualification rate significantly improves.

Description

A kind of three station drum type horn mouth pier nose devices of pipe fitting

Technical field

Pipeline pier nose processing technology field is the utility model is related to, more particularly, to a kind of pipe fitting with three station drum type loudspeaker The pier nose device of mouth.

Background technology

In automobile pipeline manufacturing technology field, it is often necessary to it is different to meet to carry out special-shaped pier nose processing to pipe ends Use demand, the quality of pier nose processing will directly affect properties of product.

Pipe ends drum type horn mouth pier nose structure problems faced is especially prominent, and multiple site punching is generally used in industry Frock processes such pier nose structure, and its diel first stage is only that the core with bell mouth shape die cavity appearance serves as, the Two-stage is only then to be served as with the core for extending out bell shape, the plumbing dimensions fluctuation of such a pier nose device production and processing compared with Greatly, and breakage rate is high, and product qualification rate is difficult satisfactory, is mainly shown as：1) it is convex that annular drum type is formed in the first stage When playing appearance, though because each inside pipe fitting stress difference causes the drift amount of feeding identical, the ring drums in the case where not constraining Shape bulge-structure diameter；2) pipe fitting end extruded in the first stage by the core with horn mouth appearance is not constraining In the case of constantly shrink, endoporus circularity cannot be guaranteed during machine-shaping, be made troubles to following process；3) in second-order When section pipe fitting end forms horn mouth appearance, in the case where only having the core extruding of horn mouth appearance, pipe fitting end is not constraining In the case of constantly extend out, cause horn mouth to be broken.

Utility model content

The purpose of this utility model：A kind of three station drum type horn mouth pier nose devices of pipe fitting are aimed to provide, pass through uniqueness Three station molding modes, along with double core designs of uniqueness, synchronous constraint is implemented to outside in pipe fitting end；In the first stage Core confinement tube part end is unlikely to constantly to shrink under the extruding of horn mouth appearance die cavity in increase, endoporus circularity in process It is controllable, it is easy to following process；Pipe fitting end is quantitatively extruded in second stage so that annular drum type bulge-structure forms in dimorphism core The lower size of die cavity constraint it is consistent；Core quantitatively extends out pipe fitting end within the phase III, while under the constraint of outside core, has Effect prevents the generation of pipe fitting horn mouth crack conditions, and horn mouth size is consistent, while ensure that pipe under the constraint of interior core Part inner end diameter circularity, the design more than is so that product qualification rate significantly improves.

The pipe fitting drum type horn mouth pier nose physical dimension processed to solve prior art pier nose device fluctuates big, fracture feelings Condition happens occasionally and the uncontrollable technical problem of product circularity, a kind of three station drum type loudspeakers of pipe fitting provided by the utility model Mouth pier nose device, including support and the installation pedestal and clamping seat that are oppositely arranged；One end of installation pedestal passes through telescopic machine Structure is connected to support, and the end is one end away from clamping seat, and the telescoping mechanism is used to realize punching press, homing action, installs base Seat includes support connection end and frock connection end, and the frock connection end is connected to support connection end by slipping mechanism, the sliding Mechanism is used for upper down conversion stamping station；Clamping seat includes upper clamping seat and lower clamping seat, wherein lower clamping seat is fixedly installed in Support, upper clamping seat are arranged at support by open-and-close mechanism, and open-and-close mechanism here is used to control upper and lower clothing holder to close splitting or integrating Work is started to realize loading and unloading function；Also include pipe fitting one end is squeezed out into annular drum type bulge-structure and constrains the pipe Part end extrudes pipe fitting end to realize vertically to the first frock of the isometrical diminution of pipe fitting between annular drum type bulge-structure Annular drum type bulge-structure diameter increase, axial span are reduced and reduce degree synchronization to diameter increase degree and axial span Second frock of binding function, and pipe fitting end is extended out into horn-like structure and to chi on the outside of the horn-like structure Very little the 3rd frock synchronously constrained, the first frock, the second frock and the 3rd frock are juxtaposed on frock connection end up and down；Also Including to clamp the clamping of pipe fitting, the clamping includes upper clamp formwork and lower clamp formwork, upper clamp formwork is installed on upper clamping seat by screw, Lower clamp formwork is installed on lower clamping seat by screw.

Preferably, three station drum type horn mouth pier nose devices of a kind of pipe fitting provided by the utility model, wherein, the first work Dress includes the first punch holder, core and the first outside core in first, and core inlay card in the first outside core and passes through the in first One outside core is fixed on the first punch holder intracavity bottom, and the first outside core is by screw lock in the first punch holder, the first inner mold Core and the first outside core combine to form bell mouth shape die cavity, and the bell mouth shape die cavity is being subject to the constraint of cohesion to pipe fitting end The active force expanded outwardly is applied to pipe fitting end inside while power, is advantageous to the formation of annular drum type bulge-structure, and should The cylindrical appearance of cavity bottom, the circular tube shaped die cavity appearance are used to constrain pipe fitting end pipe footpath, prevent its continuous tendencies toward shrinkage, Ensure endoporus circularity in process, be easy to following process.

Preferably, three station drum type horn mouth pier nose devices of a kind of pipe fitting provided by the utility model, wherein, the second work Dress includes the second punch holder, core and the second outside core in second, and core inlay card in the second outside core and passes through the in second Two outside cores are fixed on the second punch holder intracavity bottom, and the second outside core is rigidly fastened in the second punch holder, the second inner mold by screw Core and the second outside core combine to form a kind of countersunk die cavity, a kind of countersunk die cavity oral area operative constraint annular drum type The maximum gauge of bulge-structure, and the cavity bottom fades to oral area direction by diameter decreasing fashion, this structure mainly considers To the quick-clamping positioning to pipe fitting end.

Preferably, three station drum type horn mouth pier nose devices of a kind of pipe fitting provided by the utility model, wherein, the 3rd work Dress includes the 3rd punch holder, core and the 3rd outside core in the 3rd, and core inlay card in the 3rd outside core and passes through the in the 3rd Three outside cores are fixed on the 3rd punch holder intracavity bottom, and the 3rd outside core is rigidly fastened in the 3rd punch holder, the 3rd inner mold by screw Core and the 3rd outside core combine to form two class countersunk die cavities, and the two classes countersunk die cavity oral area is also for confinement ring The raised maximum gauge of shape drum type, is unlikely to deform upon, and the cavity bottom reduced to oral area direction by diameter decreasing fashion, And narrow down to after certain size and to fade by isometrical mode until die cavity oral area, this is in while being extended out to pipe fitting end by the The constraint of three outside cores, the generation of phenomenon of rupture is avoided, in addition, the die cavity finally fades by isometrical mode until type The cavity structure in accent portion effectively prevents that pipe fitting end deforms upon in extrusion process, ensure that internal diameter circularity.

Preferably, three station drum type horn mouth pier nose devices of a kind of pipe fitting provided by the utility model, wherein, in addition to It is easy to the position-limit mechanism of pipe fitting clamping in place, position-limit mechanism includes expansion link and positive stop, and positive stop is pacified by expansion link Loaded on support, positive stop herein is arranged between frock connection end and clamping seat, in clamping pipe fitting to be processed, is eliminated Cumbersome spacing location action, directly props up positive stop by pipe fitting end, and high efficiency is very clear.

A kind of pipe fitting of the utility model has following excellent compared with prior art with three station drum type horn mouth pier nose devices Point：By unique three station molding modes, plus double core designs of uniqueness, synchronous constraint is implemented to outside in pipe fitting end； Core confinement tube part end is unlikely to constantly to shrink under the extruding of horn mouth appearance die cavity in increase in the first stage, process Middle endoporus circularity is controllable, is easy to following process；Pipe fitting end is quantitatively extruded in second stage so that annular drum type bulge-structure exists The lower size of die cavity constraint of dimorphism core composition is consistent；Core quantitatively extends out pipe fitting end within the phase III, while in outside core Constraint under, effectively prevent the generation of pipe fitting horn mouth crack conditions, and horn mouth size is consistent, while in the constraint of interior core Under ensure that pipe fitting end internal diameter circularity, more than design cause product qualification rate significantly improve.

Brief description of the drawings

Fig. 1 is a kind of structural representation of three station drum type horn mouth pier nose devices of pipe fitting of the utility model；

Fig. 2 is the pipe fitting end structure that a kind of pipe fitting of the utility model is processed with three station drum type horn mouth pier nose devices Schematic diagram；

Fig. 3 is a kind of pipe fitting of the utility model three station drum type horn mouth pier nose device the first frock sectional views and clamping Seat sectional view；

Fig. 4 is a kind of pipe fitting of the utility model three station drum type horn mouth pier nose device the second frock sectional views and clamping Seat sectional view；

Fig. 5 is a kind of pipe fitting of the utility model the frock sectional view of three station drum type horn mouth pier nose device the 3rd and clamping Seat sectional view.

Wherein：1st, support；2nd, installation pedestal；20th, support connection end；21st, frock connection end；22nd, slipping mechanism；3rd, clamping Seat；30th, upper clamping seat；31st, lower clamping seat；32nd, open-and-close mechanism；4th, telescoping mechanism；5th, annular drum type bulge-structure；6th, the first work Dress；60th, the first punch holder；61st, core in first；62nd, the first outside core；63rd, bell mouth shape die cavity；7th, the second frock；70th, Two punch holders；71st, core in second；72nd, the second outside core；73rd, a kind of countersunk die cavity；8th, horn-like structure；9th, the 3rd Frock；90th, the 3rd punch holder；91st, core in the 3rd；92nd, the 3rd outside core；93rd, two class countersunk die cavity；10th, clamping； 100th, upper clamp formwork；101st, lower clamp formwork；11st, position-limit mechanism.

Embodiment

The technical solution of the utility model is described in further detail below by specific embodiment and with reference to accompanying drawing；

As depicted in figs. 1 and 2, a kind of three station drum type horn mouth pier nose devices of pipe fitting that the present embodiment provides, including Support 1 and the installation pedestal 2 being oppositely arranged and clamping seat 3；One end of installation pedestal 2 is connected to support by telescoping mechanism 4 1, and the end is one end away from clamping seat 3, the telescoping mechanism 4 is used to realize punching press, homing action, and installation pedestal 2 includes machine Seat connection end 20 and frock connection end 21, the frock connection end 21 are connected to support connection end 20 by slipping mechanism 22, the cunning Telephone-moving structure 22 is used for upper down conversion stamping station；Clamping seat 3 includes upper clamping seat 30 and lower clamping seat 31, wherein lower clamping seat 31 Support 1 is fixedly installed in, upper clamping seat 30 is arranged at support 1 by open-and-close mechanism 32, and open-and-close mechanism 32 here is used to control Upper clamping seat 30, lower clamping seat 31 are mutual to be closed, separately acts to realize loading and unloading function；Also include to by pipe fitting one End squeezes out annular drum type bulge-structure 5 and constrains the pipe fitting end to the isometrical contracting of pipe fitting between annular drum type bulge-structure 5 The first small frock 6, pipe fitting end is extruded vertically to realize the annular diameter of drum type bulge-structure 5 increase, axial span contracting It is small and increase diameter the second frock 7 that degree and axial span reduce degree synchronization binding function, and to by pipe fitting End extends out into horn-like structure 8 and the 3rd frock 9 synchronously constrained the horn-like side dimension of structure 8, the first frock 6, Second frock 7 and the 3rd frock are juxtaposed on frock connection end 21 about 9；Also include to clamp the clamping 10 of pipe fitting, The clamping 10 includes upper clamp formwork 100 and lower clamp formwork 101, and upper clamp formwork 100 is installed on upper clamping seat 30, lower clamp formwork 101 by screw Lower clamping seat 31 is installed on by screw.

Meanwhile as shown in figure 3, the first frock 6 includes the outside core of core 61 and first in the first punch holder 60, first 62, the inlay card of core 61 is fixed in the first outside core 62 and by the first outside core 62 the interior bottom of chamber of first punch holder 60 in first Portion, the first outside core 62 are formed by screw lock in the outside core 62 of core 61 and first combination in the first punch holder 60, first Bell mouth shape die cavity 63, to pipe fitting end while the bell mouth shape die cavity 63 is to be subject to the restraining force of cohesion to pipe fitting end Inside applies the active force that expands outwardly, is advantageous to the formation of annular drum type bulge-structure 5, and the cavity bottom is cylindrical makes Shape, the circular tube shaped die cavity appearance are used to constrain pipe fitting end pipe footpath, prevent its continuous tendencies toward shrinkage, ensure endoporus in process Circularity, it is easy to following process.

Meanwhile as shown in figure 4, the second frock 7 includes the outside core of core 71 and second in the second punch holder 70, second 72, the inlay card of core 71 is fixed on bottom of chamber in the second punch holder 70 in the second outside core 72 and by the second outside core 72 in second Portion, the second outside core 72 are rigidly fastened in the second punch holder 70 by screw, and the outside core 72 of core 71 and second combines formation in second A kind of countersunk die cavity 73, the maximum of a kind of oral area operative constraint annular drum type bulge-structure 5 of countersunk die cavity 73 are straight Footpath, and the cavity bottom fades to oral area direction by diameter decreasing fashion, this structure is mainly in view of to the fast of pipe fitting end Fast Set and Positioning.

Meanwhile as shown in figure 5, the 3rd frock 9 includes the outside core of core 91 and the 3rd in the 3rd punch holder the 90, the 3rd 92, the inlay card of core 91 in the 3rd outside core 92 and is fixed on bottom of chamber in the 3rd punch holder 90 by the 3rd outside core 92 in the 3rd Portion, the 3rd outside core 92 are rigidly fastened in the 3rd punch holder 90 by screw, and the outside core 92 of core 91 and the 3rd combines formation in the 3rd Two class countersunk die cavities 93, the oral area of two classes countersunk die cavity 93 is also for the annular drum type bulge-structure 5 of constraint Maximum gauge, it is unlikely to deform upon, and the cavity bottom is reduced by diameter decreasing fashion to oral area direction and narrowed down to certain Fade after size by isometrical mode until die cavity oral area, this is in while being extended out to pipe fitting end by the 3rd outside core 92 Constraint, avoids the generation of phenomenon of rupture, and in addition, the die cavity finally fades by isometrical mode until the die cavity of die cavity oral area Structure effectively prevents that pipe fitting end deforms upon in extrusion process, ensure that internal diameter circularity.

It is emphasized that here mentioned " certain size " then allow for different use occasion horn mouth sizes will Ask different, it is optionally and different in the absence of quantitative situation.

As a preferred embodiment, as shown in figure 1, also include be easy to the position-limit mechanism 11 of pipe fitting clamping in place, Position-limit mechanism 11 includes expansion link and positive stop, and positive stop is installed on support 1 by expansion link, and positive stop herein is set It is placed between frock connection end 21 and clamping seat 3, in clamping pipe fitting to be processed, eliminates cumbersome spacing location action, directly Connect and pipe fitting end is propped up into positive stop, high efficiency is very clear.

The course of work corresponding to the present embodiment and principle are：It is under the auxiliary of position-limit mechanism 11 that pipe fitting to be processed is correct first Clamping seat 3 is installed on, the first stage carries out a punching press in the presence of telescoping mechanism 4 by the first frock 6 to pipe fitting, in this punching In first during pressure the outside core 62 of core 61 and first combination form bell mouth shape die cavity 63, the bell mouth shape die cavity 63 to The active force expanded outwardly is applied to pipe fitting end inside while being subject to the restraining force of cohesion to pipe fitting end, is advantageous to annular The formation of drum type bulge-structure 5, and the cylindrical appearance of the cavity bottom, the circular tube shaped die cavity appearance are used to constrain pipe fitting end Caliber, its continuous tendencies toward shrinkage is prevented, ensure endoporus circularity in process, be easy to following process；Then by slipping mechanism 22 Control the second frock 7 to arrive stamping station, two times punch equally is carried out to pipe fitting under the effect of telescoping mechanism 4, core 71 in second A kind of countersunk die cavity 73 is formed with the combination of the second outside core 72, a kind of oral area operative constraint of countersunk die cavity 73 annular The maximum gauge of drum type bulge-structure 5, and the cavity bottom fades to oral area direction by diameter decreasing fashion, this structure is main In view of the quick-clamping positioning to pipe fitting end；Finally the 3rd frock 9 is controlled equally to exist to stamping station by slipping mechanism 22 Telescoping mechanism 4 carries out punching press three times to pipe fitting under acting on, the outside core 92 of core 91 and the 3rd combines two class countersunk heads of formation in the 3rd Poroid die cavity 93, the oral area of two classes countersunk die cavity 93 also for the maximum gauge for constraining annular drum type bulge-structure 5, Be unlikely to deform upon, and the cavity bottom reduced to oral area direction by diameter decreasing fashion and narrow down to after certain size by Isometrical mode fades until die cavity oral area, this is in while being extended out to pipe fitting end by the constraint of the 3rd outside core 92, kept away The generation of phenomenon of rupture is exempted from, in addition, the die cavity finally fades by isometrical mode until the cavity structure of die cavity oral area has Effect prevents that pipe fitting end deforms upon in extrusion process, ensure that internal diameter circularity；Finally will be upper under the control of slipping mechanism 22 Under the first station 6 for being set up in parallel, second station 7,3rd station 8 reset to the first station 6 in stamping station, and limiting block Block is in place.

It should be noted last that above embodiment is only illustrating the technical solution of the utility model rather than limit System, although the utility model is described in detail with reference to embodiment, it will be understood by those within the art that, can with The technical solution of the utility model is modified or equivalent substitution, without departing from technical solutions of the utility model spirit and Scope, it all should cover among right of the present utility model.

Claims

A kind of 1. three station drum type horn mouth pier nose devices of pipe fitting, it is characterised in that：Including support (1) and it is oppositely arranged Installation pedestal (2) and clamping seat (3)；One end of the installation pedestal (2) by can realize punching press, homing action telescopic machine Structure (4) is connected to support (1), and the end is one end away from clamping seat (3), and the installation pedestal (2) includes support connection end (20) and frock connection end (21), the frock connection end (21) is by that can realize the slipping mechanism of upper down conversion stamping station (22) it is connected to support connection end (20)；The clamping seat (3) includes upper clamping seat (30) and lower clamping seat (31), wherein lower fill Holder (31) is fixedly installed in support (1), and upper clamping seat (30) is set by being easy to implement the open-and-close mechanism (32) of loading and unloading function It is placed in support (1)；Also include pipe fitting one end is squeezed out into annular drum type bulge-structure (5) and constrains the pipe fitting end extremely The first frock (6) of the isometrical diminution of pipe fitting between annular drum type bulge-structure (5), pipe fitting end is extruded vertically to realize Annular drum type bulge-structure (5) diameter increase, axial span are reduced and reduce degree to diameter increase degree and axial span The second frock (7) of synchronous binding function, and pipe fitting end is extended out into horn-like structure (8) and horn-like to this The 3rd frock (9) that structure (8) side dimension synchronously constrains, first frock (6), the second frock (7) and the 3rd frock (9) it is juxtaposed on frock connection end (21) up and down；Also include to clamp the clamping of pipe fitting (10), the clamping (10) includes upper Clamping (100) and lower clamp formwork (101), the upper clamp formwork (100) are installed on upper clamping seat (30), the lower clamp formwork by screw (101) lower clamping seat (31) is installed on by screw.
2. three station drum type horn mouth pier nose devices of pipe fitting according to claim 1, it is characterised in that：First work Filling (6) includes core (61) and the first outside core (62) in the first punch holder (60), first, and core (61) blocks in described first The first punch holder (60) intracavity bottom, the first outside core are fixed on embedded in the first outside core (62) and by the first outside core (62) (62) loudspeaker is formed in core (61) in the first punch holder (60), described first and the first outside core (62) combination by screw lock Mouth shape die cavity (63), and the cylindrical appearance in bell mouth shape die cavity (63) bottom.
3. three station drum type horn mouth pier nose devices of pipe fitting according to claim 1, it is characterised in that：Second work Filling (7) includes core (71) and the second outside core (72) in the second punch holder (70), second, and core (71) blocks in described second The second punch holder (70) intracavity bottom, the second outside core are fixed on embedded in the second outside core (72) and by the second outside core (72) (72) the second punch holder (70) is rigidly fastened in by screw, in described second core (71) and the second outside core (72) combination form one Class countersunk die cavity (73), and a kind of countersunk die cavity (73) bottom fades to oral area direction by diameter decreasing fashion.
4. three station drum type horn mouth pier nose devices of pipe fitting according to claim 1, it is characterised in that：3rd work Filling (9) includes core (91) and the 3rd outside core (92) in the 3rd punch holder (90), the 3rd, and core (91) blocks in the described 3rd The 3rd punch holder (90) intracavity bottom, the 3rd outside core are fixed on embedded in the 3rd outside core (92) and by the 3rd outside core (92) (92) the 3rd punch holder (90) is rigidly fastened in by screw, in the described 3rd core (91) and the combination of the 3rd outside core (92) form two Class countersunk die cavity (93), and two classes countersunk die cavity (93) bottom to the oral area direction by diameter decreasing fashion reduce, And fade after narrowing down to certain size by isometrical mode until die cavity oral area.
5. three station drum type horn mouth pier nose devices of pipe fitting according to claim 1, it is characterised in that：Also include being easy to The position-limit mechanism (11) of pipe fitting clamping in place, the position-limit mechanism (11) include expansion link and positive stop, the positive stop Support (1) is installed on by expansion link.